/Engine/Source/Editor/UnrealEd/Public/Subsystems/AssetEditorSubsystem.h
Returns all editors currently opened for the specified asset
[TArray](API\Runtime\Core\Containers\TArray)< [IAssetEditorInstance](API\Editor\UnrealEd\Subsystems\IAssetEditorInstance) * > FindEditorsForAsset ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * Asset )